Home / 381,845.07-528,087.95-334,015.35

Finding the Fourth Proportional to 381,845.07, 528,087.95 and 334,015.35

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Solution

The fourth proportional to 381,845.07, 528,087.95 and 334,015.35 is: 461,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,845.07 : 528,087.95 = 334,015.35 : x
  2. Step 2: Convert to fraction form
    381,845.07/528,087.95 = 334,015.35/x
  3. Step 3: Cross multiply
    381,845.07x = 528,087.95 × 334,015.35
  4. Step 4: Simplify right side
    381,845.07x = 176,389,479,779.96
  5. Step 5: Solve for x
    x = 176,389,479,779.96/381,845.07
  6. Step 6: Final answer
    x = 461,939.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.